@book{12754,
	author = {MacLennan, Bruce J.},
	title = {Principles of programming languages :},
	publisher = {Oxford University Press,},
	year = {1999.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0195113063/chopaconline-20}
}